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import json
import time
from django.http import JsonResponse
from django.test import override_settings
from authlib.common.encoding import to_unicode
from authlib.common.urls import add_params_to_uri
from authlib.integrations.django_oauth1 import ResourceProtector
from authlib.oauth1.rfc5849 import signature
from tests.util import read_file_path
from .models import Client
from .models import TokenCredential
from .models import User
from .oauth1_server import TestCase
class ResourceTest(TestCase):
def create_route(self):
require_oauth = ResourceProtector(Client, TokenCredential)
@require_oauth()
def handle(request):
user = request.oauth1_credential.user
return JsonResponse(dict(username=user.username))
return handle
def prepare_data(self):
user = User(username="foo")
user.save()
client = Client(
user_id=user.pk,
client_id="client",
client_secret="secret",
default_redirect_uri="https://a.b",
)
client.save()
tok = TokenCredential(
user_id=user.pk,
client_id=client.client_id,
oauth_token="valid-token",
oauth_token_secret="valid-token-secret",
)
tok.save()
def test_invalid_request_parameters(self):
self.prepare_data()
handle = self.create_route()
url = "/user"
# case 1
request = self.factory.get(url)
resp = handle(request)
data = json.loads(to_unicode(resp.content))
assert data["error"] == "missing_required_parameter"
assert "oauth_consumer_key" in data["error_description"]
# case 2
request = self.factory.get(add_params_to_uri(url, {"oauth_consumer_key": "a"}))
resp = handle(request)
data = json.loads(to_unicode(resp.content))
assert data["error"] == "invalid_client"
# case 3
request = self.factory.get(
add_params_to_uri(url, {"oauth_consumer_key": "client"})
)
resp = handle(request)
data = json.loads(to_unicode(resp.content))
assert data["error"] == "missing_required_parameter"
assert "oauth_token" in data["error_description"]
# case 4
request = self.factory.get(
add_params_to_uri(url, {"oauth_consumer_key": "client", "oauth_token": "a"})
)
resp = handle(request)
data = json.loads(to_unicode(resp.content))
assert data["error"] == "invalid_token"
# case 5
request = self.factory.get(
add_params_to_uri(
url, {"oauth_consumer_key": "client", "oauth_token": "valid-token"}
)
)
resp = handle(request)
data = json.loads(to_unicode(resp.content))
assert data["error"] == "missing_required_parameter"
assert "oauth_timestamp" in data["error_description"]
@override_settings(AUTHLIB_OAUTH1_PROVIDER={"signature_methods": ["PLAINTEXT"]})
def test_plaintext_signature(self):
self.prepare_data()
handle = self.create_route()
url = "/user"
# case 1: success
auth_header = (
'OAuth oauth_consumer_key="client",'
'oauth_signature_method="PLAINTEXT",'
'oauth_token="valid-token",'
'oauth_signature="secret&valid-token-secret"'
)
request = self.factory.get(url, HTTP_AUTHORIZATION=auth_header)
resp = handle(request)
data = json.loads(to_unicode(resp.content))
assert "username" in data
# case 2: invalid signature
auth_header = auth_header.replace("valid-token-secret", "invalid")
request = self.factory.get(url, HTTP_AUTHORIZATION=auth_header)
resp = handle(request)
data = json.loads(to_unicode(resp.content))
assert data["error"] == "invalid_signature"
def test_hmac_sha1_signature(self):
self.prepare_data()
handle = self.create_route()
url = "/user"
params = [
("oauth_consumer_key", "client"),
("oauth_token", "valid-token"),
("oauth_signature_method", "HMAC-SHA1"),
("oauth_timestamp", str(int(time.time()))),
("oauth_nonce", "hmac-sha1-nonce"),
]
base_string = signature.construct_base_string(
"GET", "http://testserver/user", params
)
sig = signature.hmac_sha1_signature(base_string, "secret", "valid-token-secret")
params.append(("oauth_signature", sig))
auth_param = ",".join([f'{k}="{v}"' for k, v in params])
auth_header = "OAuth " + auth_param
# case 1: success
request = self.factory.get(url, HTTP_AUTHORIZATION=auth_header)
resp = handle(request)
data = json.loads(to_unicode(resp.content))
assert "username" in data
# case 2: exists nonce
request = self.factory.get(url, HTTP_AUTHORIZATION=auth_header)
resp = handle(request)
data = json.loads(to_unicode(resp.content))
assert data["error"] == "invalid_nonce"
@override_settings(AUTHLIB_OAUTH1_PROVIDER={"signature_methods": ["RSA-SHA1"]})
def test_rsa_sha1_signature(self):
self.prepare_data()
handle = self.create_route()
url = "/user"
params = [
("oauth_consumer_key", "client"),
("oauth_token", "valid-token"),
("oauth_signature_method", "RSA-SHA1"),
("oauth_timestamp", str(int(time.time()))),
("oauth_nonce", "rsa-sha1-nonce"),
]
base_string = signature.construct_base_string(
"GET", "http://testserver/user", params
)
sig = signature.rsa_sha1_signature(
base_string, read_file_path("rsa_private.pem")
)
params.append(("oauth_signature", sig))
auth_param = ",".join([f'{k}="{v}"' for k, v in params])
auth_header = "OAuth " + auth_param
request = self.factory.get(url, HTTP_AUTHORIZATION=auth_header)
resp = handle(request)
data = json.loads(to_unicode(resp.content))
assert "username" in data
# case: invalid signature
auth_param = auth_param.replace("rsa-sha1-nonce", "alt-sha1-nonce")
auth_header = "OAuth " + auth_param
request = self.factory.get(url, HTTP_AUTHORIZATION=auth_header)
resp = handle(request)
data = json.loads(to_unicode(resp.content))
assert data["error"] == "invalid_signature"
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